AddAir quality in Waltham
Air quality index (AQI⁺) and PM2.5 air pollution in Waltham • 1 Follower • 01:00, Sep 01 Local time
22
US AQI⁺Good
Main pollutant:
PM2.5
4.1 µg/m³
28°
32 km/h
80 %
Hourly forecast
Waltham air quality index (AQI⁺) forecast
Daily forecast
|
Waltham air quality index (AQI⁺) forecast
| Today | 41 |  | 29° 28° |  33 km/h | 76% |
| Wed | 52 |  | 29° 28° | 30 km/h | 75% |
| Thu | 59 | | 29° 28° | 30 km/h | 79% |
Air pollutants
What is the current air quality in Waltham?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Waltham
Protect yourself from air pollution in Waltham
Air Purifiers
Face Masks
Air Quality Monitors
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Waltham
Protect yourself from air pollution in Waltham
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near Waltham
Worldwide AQI⁺ ranking
Historic air quality near Waltham
History
Historic air quality graph for Waltham
22 AQI⁺ US
Good
00:00–01:00 Sep 01 Local time
AQI⁺ US
Historic air quality near Waltham
History
Historic air quality graph for Waltham
22 AQI⁺ US
Good
00:00–01:00 Sep 01 Local time
AQI⁺ US
Most polluted locations near Waltham
Worldwide AQI⁺ ranking
Measure your own air quality
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